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(* TEST *)
let r = Atomic.make 1
let () = assert (Atomic.get r = 1)
let () = Atomic.set r 2
let () = assert (Atomic.get r = 2)
let () = assert (Atomic.exchange r 3 = 2)
let () = assert (Atomic.compare_and_set r 3 4 = true)
let () = assert (Atomic.get r = 4)
let () = assert (Atomic.compare_and_set r 3 (-4) = false)
let () = assert (Atomic.get r = 4 )
let () = assert (Atomic.compare_and_set r 3 4 = false)
let () = assert (Atomic.fetch_and_add r 2 = 4)
let () = assert (Atomic.get r = 6)
let () = assert (Atomic.fetch_and_add r (-2) = 6)
let () = assert (Atomic.get r = 4)
let () = assert ((Atomic.incr r; Atomic.get r) = 5)
let () = assert ((Atomic.decr r; Atomic.get r) = 4)
let () =
let r = Atomic.make 0 in
let cur = Atomic.get r in
ignore (Atomic.set r (cur + 1), Atomic.set r (cur - 1));
assert (Atomic.get r <> cur)
let () =
let r = Atomic.make 0 in
let cur = Atomic.get r in
ignore (Atomic.incr r, Atomic.decr r);
assert (Atomic.get r = cur)
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